2004 Lincoln Navigator Air Suspension Relay Location. All the other wiring matches the diagram you provided. 30a** abs module (valves) 113:

C1881 & c1889 remained + the a. Fuse box diagram (fuse layout), location, and assignment of fuses and relays lincoln navigator mk2 (u228) (2002, 2003, 2004, 2005, 2006). Rh side of engine compartment, top of wheel well c117 soft ride relay:

2004 Lincoln Navigator Air Suspension Reset. Id select® air spring bag. With age the compressor draws excessive amps and blows the fuse.

Check the fuse and see if it has popped. If the fuse is good ,locate the compressor and check the electrical plug to it to see if it has become corroded. 2) put the vehicle in park.